Pioneer DEX-P9 Service Manual page 77

QQ
3 7 63 1515 0
AN8015SH
CT 1
RT 2
S.C.P.
3
GND
4
OUT 5
TE
L 13942296513
* PCM1704U-J
DATA 1
BCLK 2
NC 3
-VDD 4
DGND 5
6
+VDD
WCLK 7
8
NC
9
20BIT
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10
INVERT
.
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Triangular
wave OSC
0.5V
VREF
R O
S R
Latch U.V.L.O.
BIPOLAR
OFFSET
23-BIT
DAC B
23-BIT
DAC A
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2 9
8
Clamp
S.C.P.
comp.
I
+
PWM 11.1V
comparator
Q Q
3 6 7 1 3 1 5
OPA2134UA
20
-VCC
19
REF DC
18
NC
17
SERVO DC
16
AGND
15
AGND
14
IOUT
13
NC
12
BPO DC
co
11
+VCC
.
DEX-P9,P9R
9 4 2 8
FB
10
Error
IN-
9
amp.
-
-
+
+
IN+
1.83V
8
2.46V
VREF
7
Reference
supply
VCC
6
0 5 8 2 9 9 4 2 8
8 7 6 5
+
m
1 2 3 4
9 9
9 9
77